William B. Geissler (scientist)

William B. Geissler was an American physicist known for his work in the field of gas discharge physics. He is best remembered for creating the Geissler tube, an early type of gas discharge tube used in experiments to study the behavior of gases when electrified. These tubes produce colorful lights and have been important in understanding plasma physics and designing various types of lighting. His contributions helped lay the groundwork for later advancements in electronics and lighting technologies, making his work significant in both scientific research and practical applications.